This book is presenting the workgroup "Ein Experiment zur Ganzheit", which was made in 1983/84 by the German artist Gerd Jansen. The works are called "physical scupltures" and are in a relation to the language of physical experiments. You can see here drawings from the same work period. It was the first homgen workgroup of Gerd Jansen and it was the time, he studied at Duesseldorfer Kunstakademie with Erwin Heerich.